The lowest alkanes with the chemical formula CH4 (one atom of carbon and four atoms of hydrogen) being gaseous in normal conditions.
| Chemical Formula | CH4 |
| Molecular Weight (lb/mol) | 16.04 |
| Critical Temp. (°F) | -116.2 |
| Critical Pressure (psia) | 673 |
| Boiling Point (°F) | -258.7 |
| Melting Point (°F) | -296.5 |
| Psat @ 70°F (psia) | (note 1) |
| Liquid Density @ 70°F (lb/ft3) | (note 1) |
| Gas Density @ 70°F 1 atm (lb/ft3) | 0.0416 |
| Specific Volume @ 70°F 1 atm (ft3/lb) | 24.06 |
| Specific Gravity | 0.565 |
| Specific Heat @ 70°F (Btu/lbmol-°F) | 8.53 |
See also
Natural Science / Physics / Chemistry / Chemical Substance / Hydrocarbons / Alkanes